Results 251 to 260 of about 536,532 (302)

The City around the Clock: Space—Time Patterns of Urban Ecological Structure [PDF]

Environment and Planning A: Economy and Space, 1984
The space—time diaries for more than 1500 respondents in Halifax, Canada are used to generate census-like data for spatial units at six different times during the day. A space—time factorial ecology reveals distinctive diurnal patterns in the city's social geography. Aside from illustrating temporal variations in traditional factors, such as status and
M F Goodchild, D G Janelle
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The dissimilarity space: Bridging structural and statistical pattern recognition

Pattern Recognition Letters, 2012
Human experts constitute pattern classes of natural objects based on their observed appearance. Automatic systems for pattern recognition may be designed on a structural description derived from sensor observations. Alternatively, training sets of examples can be used in statistical learning procedures.
Pekalska, Elzbieta, Duin, Robert P W, Pçkalska, Elbieta   +2 more
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Structural characterization of grain pattern diversity in parametric space

Journal of Materials Science, 1999
Grain patterns are characterized by size and shape diversity as reflected by variations in the values of structural parameters ascribed to them. Analysis of the population of grains calls for a global analysis of all the pertinent structural parameters taken together.
Tao Huang, Tomohiro Tsuji, M. R. Kamal, A. D. Rey   +3 more
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On the structure of the space of networks and traffic patterns

2012 5th International Symposium on Communications, Control and Signal Processing, 2012
Modeling of communication and other types of networks using the apparatus of (asymptotic) geometry of metric spaces is one of the emerging trend of network science. The notions of GH-convergence are well suited for the description of the geometry of networks per se.
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Solution structure of a novel α-conotoxin with a distinctive loop spacing pattern

Amino Acids, 2011
α-Pharmacological conotoxins are among the most selective ligands of nicotinic acetylcholine receptors with typical cysteine frameworks. They are characterized by the intercysteine loop and classified into various subfamilies, such as α3/5 and α4/7 conotoxins.
Bingbing, Zhang, Feijuan, Huang, Weihong, Du   +2 more
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PLANAR PATTERNS WITH FIVEFOLD SYMMETRY AS SECTIONS OF PERIODIC STRUCTURES IN 4-SPACE

International Journal of Modern Physics B, 1990
Two quasiperiodic planar patterns with fivefold symmetry are derived from the root lattice A4 in 4-space. A detailed analysis of the geometry of the A4 Voronoi complex and its dual complex is presented with special emphasis on fivefold symmetry. By means of the general dualization method, 2D patterns are obtained, one with triangular tiles and a ...
Baake, M., Kramer, P., Schlottmann, M., Zeidler, D.   +3 more
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SCSegamba: Lightweight Structure-Aware Vision Mamba for Crack Segmentation in Structures

Computer Vision and Pattern Recognition
Pixel-level segmentation of structural cracks across various scenarios remains a considerable challenge. Current methods encounter challenges in effectively modeling crack morphology and texture, facing challenges in balancing segmentation quality with ...
Hui Liu, Chen Jia, Fan Shi, Xu Cheng, Shengyong Chen   +4 more
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Surface and structural studies in a PbCrO4 Liesegang pattern with revert spacing

Chemical Physics Letters, 2019
Abstract We present a novel study of a PbCrO4 Liesegang pattern exhibiting revert spacing. Scanning Electron Microscopy (SEM), Atomic Absorption Spectrometry (AAS) and Energy Dispersive X-ray (EDX) spectroscopy measurements are carried out, and are shown to support the adsorption of CrO 4 2 - on the precipitate, which becomes more ...
Dalia Ezzeddine, Houssam El-Rassy, Rabih Sultan   +2 more
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Analysis of rural economic restructuring driven by e-commerce based on the space of flows: The case of Xiaying village in central China

Journal of Rural Studies, 2018
In recent years, China's rural areas have undergone intense restructuring motivated by various flows derived from e-commerce, which has triggered a new wave of rural rejuvenation.
Yingnan Zhang, H. Long, Li Ma, Shuangshuang Tu, Yurui Li, Dazhuan Ge   +5 more
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HCI Design Patterns for PDA Running Space Structured Applications

2007
Nowadays, mobile activities such as m-commerce, m-learning, etc, are being increasingly adopted by people. Information availability will be a key feature in future applications. Public spaces, as shops, libraries, museums, etc do not have enough information available to visitors, mainly due to physical space constraints. In this context, PDAs provide a
Ricardo Tesoriero, Francisco Montero Simarro, María Dolores Lozano 0001, José A. Gallud   +3 more
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